.v-home-medicalElectronNav-qrcode{
    padding: 10px;
    .img-box{
        width: 100%;
        margin: 20px 0;
        img{ 
            width: 300px; 
            height: 300px;
            margin: 0 auto;
            display: block;
            // border: 1px solid #bbb;
        }
        canvas{
            height: 300px !important;
            width: 300px !important;
            display: none;
            margin: 0 auto;
        }
    }
}